CN104541751A - Combine harvester - Google Patents

Abstract

The invention provides a combine harvester. The combine harvest can simplify drive systems of harvesting devices. And by using the combine harvester, the harvesting devices can be driven reliably without any special maintaining work. A rotation converting mechanism (70) is arranged on a middle shaft (65) to convert a rotation of the middle shaft (65) around a transverse axis to a reciprocate rotation around a longitudinal axis. And a transmission shaft (74) transmitting rotation power of the reciprocate rotation after the conversion extends forward. A front end part of the transmission shaft (74) connects with a harvesting device (12) in linkage.

Description

Combine

The application is denomination of invention is " combine ", the applying date is on September 11st, 2006 and application number is the divisional application of the application for a patent for invention of 201110276338.6.

Technical field

The present invention relates to the combine possessing reaping part in the feeder front end being connected to sheller unit front portion, described reaping part possesses the reaping apparatus of hairclipper type, the auger conveyor laterally given and rake and holds together reel.

Background technology

As the reaping part drives structure in above-mentioned combine, there will be a known the structure such as disclosed in Japanese Unexamined Patent Publication 2005-211010 publication.Namely, the power exported from the jackshaft of crossbearer at reaping part back is delivered to the cropping knife driving box be provided near reaping apparatus transverse side via driving-belt, interlock links cropping knife driving box and reaping apparatus, further, reel is held together with the power drive auger conveyor exported from jackshaft and rake.

In above-mentioned existing structure, tape handler interlock being linked jackshaft and cropping knife driving box is provided in the lateral outer side of reaping part, so, in reaping apparatus drive system, need a large amount of parts, cause cost to uprise.In addition, owing to being the frictional drive of carrying out via driving-belt, so, likely there is the transmission slip because wearing and tearing or the elongation of driving-belt cause, the cut-out performance of reaping apparatus is reduced, thus the maintenance of driving-belt must be carried out fully.

Summary of the invention

The present invention makes in view of problem as described above, its object is to make the drive system of reaping apparatus to simplify, and without the need to special upkeep operation, just reliably can drive reaping apparatus.

Fisrt feature scheme of the present invention is, a kind of combine, comprising:

Sheller unit,

Be connected to the feeder of the front portion of described sheller unit,

Be arranged on the reaping apparatus of the front end of described feeder,

The transverse direction being arranged on the front end of described feeder give auger conveyor,

The rake being arranged on the front end of described feeder hold together reel,

Crossbearer the base end part of described feeder feeder driving shaft,

And crossbearer is at the jackshaft of the front portion of described feeder,

Wherein, power is delivered to described jackshaft from feeder driving shaft, and then the power branch from this jackshaft is delivered to reaping apparatus, auger conveyor and rake and holds together reel, it is characterized in that,

Described jackshaft is equipped with rotation switching mechanism, and the rotation around horizontal axle center of described jackshaft is converted to the reciprocating rotation around fore-and-aft direction by described rotation switching mechanism,

Be provided with the power transmission shaft of the reciprocating rotation transmitting described rotation switching mechanism, described power transmission shaft extends toward the front, and the leading section of power transmission shaft and reaping apparatus link and link.

According to such scheme, by swing arm being arranged on the leading section of the power transmission shaft of fore-and-aft direction axle center reciprocating rotation, and linked by the cropping knife of the swing arm of reciprocally swinging and reaping apparatus and link, and back and forth can drive cropping knife with predetermined stroke in linkage with the rotation of jackshaft.In this case, owing to there is no frictional drive portion from jackshaft in the transmission system of reaping apparatus transmission, so, can not drive reaping apparatus slippingly.

Therefore, compared with the situation of V belt translation, can simplify the transmission system from jackshaft to reaping apparatus transmission, the cost that can realize drive mechanism reduces, and, reliable reaping apparatus driving can be carried out without the need to safeguarding especially.

Second feature scheme of the present invention is, described jackshaft and auger conveyor driving shaft flexibility (being wrapping with) link and link, and the power branched out from described auger conveyor driving shaft is passed to described rake and holds together reel.

Such as, if be made the structure of the transmission of power that branches out from jackshaft being held together reel to rake, then reaping apparatus to be driven with, auger conveyor drive with and rake hold together three power branch portions that reel drives and be provided on jackshaft in the mode that the lateral outer side from reaping part is outstanding.Like this, the cantilever of jackshaft gives prominence to length, easily applies large bend loading, thus needs the diameter of axle increasing jackshaft.On the other hand, according to such scheme, two power branch points that reaping apparatus driving is used and auger conveyor drives only are set on jackshaft, give prominence to length without the need to the cantilever lengthening jackshaft especially.Therefore, the diameter of jackshaft the bending load that jackshaft applies diminished, as long as can carry out the minor diameter of necessary transmission of torque.

Third feature scheme of the present invention is, tape handler is provided with in the transmission system of holding together reel transmission to described rake, further, in this tape handler, be provided with the drive pulley of the Flexible Transmission carrying out different drive ratios, carry out speed change by driving-belt to the changing extension of drive pulley.

According to such scheme, the speed changing structure that rake holds together reel can be formed at an easy rate.

Fourth feature scheme of the present invention is, described rake holds together reel and comprises parts of bearings and support unit;

Described parts of bearings has the bearing recess of the opening outward towards footpath, is configured in the axle support of the prong installation shaft of reel framework, via snap fastener positioning support on described reel framework, and, be bolted on described reel framework by one;

Described support unit is engaged fixing via described snap fastener, to stop the prong installation shaft be entrapped in described bearing recess to depart from.

According to such scheme, when installing reel installation shaft to reel framework, respectively use a bolt at the axle support of left and right.Such as, when holding together reel for pentagon rake, when five reel installation shaft being installed on reel framework, only ten bolts are used.Thus, compared with the prior art just using two bolts with an axle supporting portion, only use bolt and the working hour of one half quantity.In addition, if also adopt identical axle support structure at auxiliary drum framework with the pivotal bearing part rotated between restricted arm free end, then, when holding together reel for pentagon rake, altogether use 20 bolts.

Therefore, it is possible to install and remove the prong installation shaft being integrally equipped with and rotating restricted arm simply relative to reel framework with less bolt working hour, and, reducing of number of components and alleviating of weight can be realized.

Fifth feature scheme of the present invention is, described auger conveyor comprises: be installed with the auger conveyor cylinder of cover plate, a fixed pivot axis, rotation fulcrum, frame support bracket, eccentric fulcrum and rake at both ends and hold together body; By described a fixed pivot axis and described rotation fulcrum, described auger conveyor cylinder is across erecting the pair of right and left side plate that is provided to both ends, runout table left and right and being supported by the rotatable earth's axis; Described a fixed pivot axis link is fixed on a described side plate, and, the rotatably center of a through described cover plate; Described rotation fulcrum is rotatably through to be bearing on side plate described in another, and, be fixedly linked on the center of cover plate described in another; Described eccentric fulcrum is bearing on the drum inside end of described a fixed pivot axis via frame support bracket link; Described rake holds together that body is through from periphery is installed on described auger conveyor cylinder, base end part pivot suspension on described eccentric fulcrum, and, carry out outstanding avoidance operation by the rotation of described auger conveyor cylinder from described auger conveyor cylinder; And then offer assembly hole on a described cover plate of described auger conveyor cylinder, this assembly hole has the shape can inserting described eccentric fulcrum and described frame support bracket.

According to such scheme, first, by modes such as weldings, runout table and left side plate are fixed on reaping part framework, the skeleton of assembling reaping part, on this basis, across left side plate assembling auger conveyor.Now, the auger conveyor cylinder having removed a fixed pivot axis and rotation fulcrum is inserted between left side plate, afterwards, the rotation fulcrum bolt link of another side plate will be inserted from outside on another cover plate of auger conveyor cylinder.

Be attached on a fixed pivot axis via frame support bracket by cantilever-shaped for the end of eccentric fulcrum in advance, then, through being formed at the assembly hole of a side plate and being formed at the assembly hole of a cover plate of auger conveyor cylinder, eccentric fulcrum is inserted in auger conveyor cylinder together with frame support bracket.

Then, the insertion end of eccentric fulcrum and the free end that can be arranged on the supporting arm rotated on fulcrum medial end are rotationally linked, thus with two supports state, eccentric fulcrum fixedly can be provided in from the assigned position of drum rotating axle center bias.Then, the medial extremity through rake being arranged on auger conveyor its periphery being held together body is attached on eccentric fulcrum rotationally.Eccentric fulcrum being attached at operation on frame support bracket and rake being held together body pivot suspension and be attached at operation on eccentric fulcrum, is that the assembly hole being formed in auger conveyor its periphery freely from opening and closing carries out.

Therefore, by the mode such as welding by the basis of the runout table of reaping part and left side plate integration, can across the countershaft supporting installation auger conveyor of left side plate.Thus, with by auger conveyor axle being bearing at rear installation one-sided side plate compared with the existing mode between left side plate, assembling man-hour can be reduced, and, reduce the side plate installation strength relevant with reaping part rigidity exists discrete, effectively can make stay in grade.

Sixth feature scheme of the present invention is, described reaping apparatus is the reaping apparatus of hairclipper type, and its pair of right and left can back and forth be driven in the opposite directions to each other by moving knife above dead knife;

Described reaping apparatus has housing; This housing can moving knife one extend to above another end from described in pair of right and left, and covering described in pair of right and left can top between the end of moving knife.

That is, even if can open between the end of moving knife, also cover the top between this end by housing, straw bits or earth are difficult to enter between this end.Even if straw bits or earth are charged into or fly into the below of housing and carries or be hooked in dead knife or cropping knife supporting mass, also can touch from one can moving knife extend and with this cap cover contacts that can carry out moving back and forth together with moving knife, be subject to scraping effect and easily falling of housing thus.

Therefore, according to this first invention, when can between the end of moving knife when opening and closing, still by the covering realized by housing and effect can be scraped, and easily avoid straw bits or earth etc. are detained or are deposited between this end, bad or the driving malfunction of the cut-out not easily occurring to be considered to be worth doing by straw or earth causes, can carry out harvest operation efficiently.

Accompanying drawing explanation

Fig. 1 is the integral left end view of combine.

Fig. 2 is the overall vertical view of combine.

Fig. 3 is the integral right end view of combine.

Fig. 4 is kinematic scheme.

Fig. 5 is the end view of reaping part.

Fig. 6 represents that rake holds together the front view of a part for reel.

Fig. 7 is the vertical profile rearview of rotation switching mechanism.

Fig. 8 is the front view of cropping knife drives structure.

Fig. 9 is the vertical view that rake holds together reel speed changing structure.

Figure 10 is the end view that rake holds together reel speed changing structure.

Figure 11 is the end view of reaping part.

Figure 12 is the end view that rake holds together reel.

Figure 13 is the decomposition side view that rake holds together reel.

Figure 14 represents that rake holds together the front view of the right end portion of reel.

Figure 15 represents that rake holds together the front view of the left end portion of reel.

Figure 16 represents that rake holds together the end view of the bearing portion of the prong installation shaft in reel.

Figure 17 represents that rake holds together the vertical profile front view of the bearing portion of the prong installation shaft in reel.

Figure 18 represents that rake holds together the exploded perspective view of the bearing portion of the prong installation shaft in reel.

Figure 19 represents that rake holds together the end view of the bearing portion of the rotation restricted arm end in reel.

Figure 20 represents that rake holds together the exploded perspective view of the bearing portion of the rotation restricted arm end in reel.

Figure 21 is the longitudinal cross-sectional side view of prong installation portion.

Figure 22 is the vertical profile left side view of auger conveyor.

Figure 23 is the cross-sectional plan view of auger conveyor.

Figure 24 be represent auger conveyor right part near cross-sectional plan view.

Figure 25 is the cross-sectional plan view of the left side representing auger conveyor.

Figure 26 is the end view of the major part representing left side side plate.

Figure 27 is the end view of the major part representing right side side plate.

Figure 28 is the exploded view of auger conveyor.

Figure 29 is the vertical view of the hairclipper type reaping apparatus of combine.

Figure 30 is the vertical view at the supporting device configuration position of reaping apparatus.

Figure 31 is the cutaway view at the supporting device configuration position of reaping apparatus.

Figure 32 is the vertical view at the cropping knife driving mechanism site of action place of reaping apparatus.

Figure 33 is the front view at the cropping knife driving mechanism site of action place of reaping apparatus.

Figure 34 is the vertical view at the housing configuration position of reaping apparatus.

Figure 35 is the cutaway view at the housing configuration position of reaping apparatus.

Figure 36 is the cutaway view of reaping apparatus.

Embodiment

(summary of combine)

Fig. 1 shows the overall side of ordinary combine harvester of the present invention, and Fig. 2 shows its overall end face.This combine, advances on body 2 what possess pair of right and left crawler travel device 1, and left and right is equipped with the sheller unit 3 of axial flow type and the grain recoverer 4 of pack formula abreast, and, Drive Section 5 is equipped with in the front of grain recoverer 4.In the front portion of sheller unit 3, to be linked with the feeder 6 of harvesting straw conveying around the fulcrum P mode swung up and down freely, the reaping part 7 with the harvesting width roughly the same with body transverse width is linked in the front end of this feeder 6, further, laterally engine 8 is equipped with in the below of Drive Section 5.

Between the front portion and the bottom of feeder 6 of body 2 of advancing, erection has hydraulic cylinder 9, and by the expanding-contracting action of this hydraulic cylinder 9, reaping part 7 and feeder 6 are integratedly around described fulcrum P oscillating lifting.Be equipped with rake in the front upper of reaping part 7 and hold together reel 10, this rake holds together reel 10 and rearward harrows the straw holding together also pull-up and plant.

Reaping part 7 possesses: the pair of right and left being configured to longitudinal wall shape is divided the reaping apparatus 12 of standing grain framework 11, hairclipper type, gathered in crop is laterally fed to the auger conveyor 13 in the middle of harvesting width and is connected the bottom runout table 14 each other of left and right point standing grain framework 11.Feeder 6 is formed by holding together conveyer 16 in the tubular conveying box 15 inside storage that front and back are through.This holds together conveyer 16 by forming across the left and right chain 16a crossbearer of longitudinal winding links conveying lever 16b, the straw laterally given by auger conveyor 13 along conveying box 15 bottom surface by hold together conveying, and be put to the front end of sheller unit 3.

Above-mentioned auger conveyor 13 is provided with the helical wing plate 18 of left and right on the periphery of auger conveyor cylinder 17, this auger conveyor cylinder 17 is along from front, certain orientation is downward driven in rotation, helical wing plate 18 about this laterally gives harvesting straw towards the front end inlet of feeder 6, and, above-mentioned auger conveyor 13 is on circumference four positions of its periphery part opposed with described front end inlet, be equipped with each a pair rake in the left and right of carrying out outstanding avoidance operation along with drum rotating and hold together finger 19, the straw of gathering in relative broad range is laterally given along runout table 14 and collaborates in the middle of harvesting width, and hold together with rake the front end inlet that finger 19 forces to harrow to hold together to be supplied to feeder 6.

To keep right in the periphery of auger conveyor cylinder 17 position, be equipped with in addition and give the auxiliary rake of action in the zone of action in the transverse direction of right side helical wing plate 18 and hold together finger 20, the front being positioned at auger conveyor 13 in the portion transversely left from the front end inlet of feeder 6 be poured on straw on runout table 14 assisted rake to hold together transverse direction that finger 20 harrows to helical wing plate 18 gives the zone of action, and by helical wing plate 18 the transverse direction effect of giving and be transported to the zone of action that rake holds together finger 19.

As shown in Figure 5, described rake holds together reel 10 and is bearing in the front portion swinging up and down pair of right and left supporting arm 21 freely around cardinal extremity fulcrum a via frame support bracket 22 axle, can by making supporting arm 21 swing up and down by hydraulic cylinder 23, and the rake that change rake holds together reel 10 holds together wording depth, further, can by along supporting arm 21 slidable adjustment frame support bracket 22, front and back regulate rake to hold together active position.As shown in Fig. 9,10, frame support bracket 22 is slid relative to the frame lateral members adjustment, further, by connecting pin 26 being inserted in connect apertures 25 that multiple position, front and back of the connect apertures 24 and supporting arm 21 that frame support bracket 22 possesses possesses, and frame support bracket 22 is fixed.

Rake holds together reel 10 to be possessed: via frame support bracket 22 by the reel driving shaft 31 of horizontal stand on the supporting arm 21 of left and right, link the regular pentagon reel framework 32 being fixed on this reel driving shaft about 31, the rotatably prong installation shaft 33 of horizontal stand between five tops, place of left and right reel framework 32, the many rakes be arranged on side by side in prong installation shaft 33 hold together with prong 34, with the regular pentagon auxiliary drum framework 35 etc. rotatably obtaining supporting centered by the eccentric axle center c rearward departed from relative to the driving axle center b of reel framework 32, the terminal part pivot suspension of the rotation restricted arm 33a securing elongated towards rear from the end of each prong installation shaft 33 is attached at each top of described auxiliary drum framework 35, when reel framework 32 is to drive rotation (revolution) centered by the b of axle center, with it in linkage, auxiliary drum framework 35 is synchronously servo-actuated rotation centered by eccentric axle center c, thus, each prong installation shaft 33 relative to reel framework 32 towards the direction contrary with reel direction of rotation synchronously rotation rotate, thus, the prong 34 of each prong installation shaft 33 maintains posture down all the time and carries out revolution movement, play rake and hold together effect.

(drive mechanism)

Then, the drive mechanism of subtend each several part transmission is described.

As shown in Figure 4, the power from engine 8 assigns to advance system and operating system, and via the main clutch 40 of band tension type, band is delivered to main speed-changing mechanism 41 to the power of advance system.Main speed-changing mechanism 41 is made up of Hyaulic infinite variable speed mechanism (HST), and the variable-speed dynamic of the rotating forward (advance) exported from this main speed-changing mechanism 41 or reversion (retrogressing) is imported into transmission case 42.The power being imported into transmission case 42 carries out height two grades of speed changes by the secondary gear 43 of gear type, afterwards, is branched off into the crawler travel device 1 of left and right via pair of right and left sidepiece clutch 44.

Sidepiece clutch 44 links with the control stick 45 being arranged on Drive Section 5 front portion, when control stick 45 is positioned at neutral position, left and right, the sidepiece clutch 44 of left and right all " joint ", thus straightaway, by manipulation bar 45 to the left or right, by sidepiece clutch 44 "off" of fore side, only one-sided crawler travel device 1 drives, thus body 2 of advancing is turned to the direction of operating of control stick 45.Sidepiece brake 46 and sidepiece clutch 44 link, when continuing further to fall control stick 45 after disconnecting sidepiece clutch 44, sidepiece brake 46 action of the side that sidepiece clutch 44 is disconnected, thus to driving the crawler travel device 1 be disconnected to apply braking, carrying out body by pivot turn (pivot stud) and turning to.Above-mentioned control stick 45 is configured to carry out cross operation all around, and, the not shown control valve of control stick 45 and hydraulic cylinder 9 links, above-mentioned hydraulic cylinder 9 is made to be undertaken under reach by the forward action of control stick 45, reaping part 7 is declined, hydraulic cylinder 9 carries out elongation action by its backward operation, makes reaping part 7 increase.

From the power of the operating system that engine power branches out, be delivered on power shaft, the i.e. wind axle 52 of sheller unit 3 via the driving-belt 51 of threshing clutch 50 effect of band tension type.Be delivered to the power on wind axle 52, two systems are branched off into further on the left of body, the secondary spiral axle 54 that part branch power is delivered to via driving-belt 56 helical axis 53 that a thing that sheller unit 3 possesses laterally gives, secondary thing is laterally given and swing separatory vessel driving shaft 55 etc., and, branch's power of another part is delivered to the power shaft 59 of the bevel gear box 57 being provided in sheller unit 3 front portion via driving-belt 58, by the power that be converted direction by bevel gear box 57, drive process cylinder 60.

The power shaft 59 of bevel gear box 57 and crossbearer link via driving-belt 63 interlock of being with the harvesting clutch 62 of tension type to act at the feeder driving shaft 61 of described feeder 6 cardinal extremity, by the power be delivered on feeder driving shaft 61, hold together conveyer 16, auger conveyor 13, reaping apparatus 12 and rake on driving as following and hold together reel 10.

On the right side of the back of reaping part 7, crossbearer is supported with jackshaft 65, link via chain 66 and link in the left part of this jackshaft 65 and the right part of feeder driving shaft 61, further, the right part of jackshaft 65 links via chain 68 interlock with the auger conveyor driving shaft 67 be projected on the right side of reaping part 7.

Near the right-hand member of jackshaft 65, be equipped with rotation switching mechanism 70, the rotation around horizontal axle center of jackshaft 65 is converted to the reciprocating rotation around front and back towards axle center by this rotation switching mechanism 70.As shown in Figure 7, rotation switching mechanism 70, by being arranged on the tilt head 71 that links with jackshaft 65 in the mode can rotated around inclination axle center d by outer idling freely for inclination propeller boss 72, and be attached on a pair fulcrum pin 72a by power transmission shaft 74 via york piece 73 and form, this pair fulcrum pin 72a is arranged on the periphery diagonal position of this inclination propeller boss 72.By the rotation of jackshaft 65 around horizontal axle center, make the positive and negative yaw action of inclination axle center d of described inclination propeller boss 72, thus the power transmission shaft 74 that making links with inclination propeller boss 72 via fulcrum pin 72a and york piece 73 links is with predetermined angular reciprocating rotation.

As shown in Figure 5, described power transmission shaft 74 divides the lateral surface forward downward of standing grain framework 11 to extend along right side, the swing arm 75 and the described reaping apparatus 12 that are attached at power transmission shaft 74 front end link via relaying connecting rod 75a interlock, by the reciprocating rotation of power transmission shaft 74, the cropping knife 12a of reaping apparatus 12 is by back and forth to drive about certain stroke.

On the right side of the base portion being equipped with the supporting arm 21 of harrowing reel 10, relay axis 81 is provided with one heart with the cardinal extremity fulcrum a of supporting arm 21, this relay axis 81 and auger conveyor driving shaft 67 link via chain 82 and link, and relay axis 81 and reel driving shaft 31 link via driving-belt 83 and link.As shown in Figure 9, Figure 10, relay axis 81 is equipped with the drive pulley 84b of large diameter drive pulley 84a and minor diameter side by side, on the other hand, reel driving shaft 31 has a driven pulley 85, by driving-belt 83 is changed hang in drive pulley 84a, 84b any one on, the rotary speed of reel 10 can be held together to rake and carry out height two grades of speed changes.

The setting position of driven pulley 85 on axis direction is set to the centre position, left and right of drive pulley 84a, 84b of being equipped with side by side suitable, no matter selects which drive pulley 84a, 84b, and driving-belt 83 can to turn round the state winding of extension slightly.

A pair idler roller 87 acts on the slack-side path of driving-belt 83, described a pair idler roller 87 be arranged on by by swing force and can on the tensioner arm 86 of fulcrum e oscillation, by the bending winding of these idler rollers 87 pairs of driving-belts 83, suitably tightening belt can be changed independently with the front and back position of harrowing reel 10.

(rake holds together the detailed construction of reel)

Then, an example of with reference to Figure 11 to Figure 15, rake being held together to the detailed construction of reel 10 is described.Rake holds together reel 10 and is not limited to following structure.

Rake holds together reel 10 and comprises: the rotation fulcrum 31 of horizontal stand on the described frame support bracket 22 of left and right, link the regular pentagon reel framework 32 being fixed on this rotation fulcrum about 31, rotatably horizontal stand is in five prong installation shaft 33 at five positions, top of left and right reel framework 32, be equipped in the many prongs 34 in each prong installation shaft 33 at a certain distance side by side, the regular pentagon auxiliary drum framework 35 etc. supported rotatably is obtained centered by the eccentric axle center c of the rearward offset control distance L of the reel axle center b relative to reel framework 32.

As shown in Figure 13, reel framework 32 is by discoideus central hub 32a, the five arms portion 32b radially extended from this central hub 32a and form across the bracing piece 32c that the end of arm 32b sets up each other.Auxiliary drum framework 35 is also by discoideus central hub 35a, the five arms portion 35b radially extended from this central hub 35a and form across the bracing piece 35c that the end of arm 35b sets up each other, and reel framework 32 is identical shape with auxiliary drum framework 35.

As shown in Figure 14, link inside the body of described frame support bracket 22 and be fixed with discoideus support plate 88, further, three guide rollers 89 are equipped with relative on the described eccentric equidistant position of axle center c in the medial surface near the periphery of this support plate 88.On the other hand, circular port 90 is formed in the central hub 35a upper punch pressure of auxiliary drum framework 35, the diameter of described circular port 90 makes to be cut in described guide roller 89 groups outside this circular port 90, by guiding circular port 90 by guide roller 89 groups, auxiliary drum framework 35 can be supported rotationally centered by eccentric axle center c.

Have rotation restricted arm 91 from the two ends of each prong installation shaft 33 are projecting integratedly towards rear, the free end pivot suspension of this rotation restricted arm 91 is attached on each top of auxiliary drum framework 35.From the distance of axle center r to the free end pivot supporting-point s of rotation restricted arm 91 of each prong installation shaft 33 and the direction of the imaginary line of connection two fulcrum r, s, with be consistent from the distance L of reel axle center b to eccentric axle center c and the direction of the imaginary line that connects two axle center b, c, the axle center r of reel axle center b, eccentric axle center c, prong installation shaft 33 and rotate the fulcrum of free end pivot supporting-point s formation parallel―ordinal shift of restricted arm 91.Therefore, when reel framework 32 winding reel axle center b rotates, auxiliary drum framework 35 rotates around eccentric axle center c thereupon, thus, prong installation shaft 33 on one side winding reel axle center b revolves round the sun while around axle center r to opposite direction synchronous rotation, thus prong installation shaft 33 maintains certain rotation posture all the time.

Figure 16 to Figure 18 shows the structure of axle support, and prong installation shaft 33 is rotatably bearing in the top of reel framework 32 by this axle support.

The arm 32b forming reel framework 32 is made up of Metal plate, the side 32ba of reel direction of rotation folds by this Metal plate and punching press is formed as the cross sectional shape of コ font, its terminal part towards footpath outward opening be formed with the recess 92 that can snap in prong installation shaft 33.In the both sides of this recess 92, separate the interval that can pass through for prong installation shaft 33 and be opposedly equipped with a pair receiving sheet 32d, this pair receiving sheet 32d is by forming the terminal part folding side 23ba of arm 32b towards inner bending each other.

The parts of bearings 93 rotatably supporting prong installation shaft 33 is installed in the inner side of arm 32b end.This parts of bearings 93 is made up of the hard resin material of excellent in sliding property, is formed as the opposed roughly triangular shape folded between side 23ba entering into arm 32b.On the outer face of parts of bearings 93, towards footpath, opening is formed with bearing recess 94 outward, and this bearing recess 94 has the width suitable with the external diameter of prong installation shaft 33 and the degree of depth, snaps in supporting prong installation shaft 33 wherein.There is a pair engaging protrusion 95 outer face of parts of bearings 93 so that the mode being positioned at bearing recess 94 both sides is projecting, and this engaging protrusion 95 is through from inner side is supported on the connecting hole 96 be formed in each receiving sheet 32d.

Between the outer face of parts of bearings 93 and described receiving sheet 32d, be equipped with the support unit 97 of tabular, the support unit 97 of this tabular blocks the opening of bearing recess 94, prevents prong installation shaft 33 from departing from from bearing recess 94.On this support unit 97, be formed with the support holes 98 supplying the engaging protrusion 95 of parts of bearings 93 to insert, be fixed on arm 32b by being linked by parts of bearings 93, the support unit 97 being supported on this parts of bearings 93 via engaging protrusion 95 is fixed on the position of regulation.

At the bottom side of the bearing recess 94 of parts of bearings 93, be formed with a through in left-right direction installing hole 99, be installed on arm 32b by the bolt 100 inserting this installing hole 99 inside body is screwed into, parts of bearings 93 can be positioned on assigned position and be fixed.Be provided with the circular protrusion 33a engaged with the left and right end face of parts of bearings 93 in the periphery of prong installation shaft 33, realize the left and right directions location of prong installation shaft 33.

The structure of pivot suspension linking part has been shown in Figure 19, Figure 20, and the free end rotating restricted arm 91 is rotatably bearing in the top of auxiliary drum framework 35 by this pivot suspension linking part via pivot suspension axle 101.This pivot suspension linking part is identical with axle support structure prong installation shaft 33 be rotatably bearing on the top of reel framework 26.

Namely, the arm 35b forming auxiliary drum framework 35 is also made up of Metal plate, the side 35ba of reel direction of rotation folds by this Metal plate and punching press is formed as コ shaped sections, its terminal part towards footpath outward opening be formed with the recess 102 that can snap in pivot suspension axle 101.In the both sides of this recess 102, separate the interval that can pass through for pivot suspension axle 101 and be opposedly equipped with a pair receiving sheet 35d, this pair receiving sheet 35d forms by being bent inwards each other by the terminal part folding side 26ba of arm 35b.

The parts of bearings 103 rotatably supporting pivot suspension axle 101 is installed in the inner side of arm 32b end.This parts of bearings 103 is made up of the hard resin material of excellent in sliding property, is formed as the opposed roughly triangular shape folded between side 26ba entering into arm 35b.On the outer face of parts of bearings 103, towards footpath, opening is formed with bearing recess 104 outward, and this bearing recess 104 has the width suitable with the external diameter of pivot suspension axle 101 and the degree of depth, snaps in supporting pivot suspension axle 101 wherein.There is a pair engaging protrusion 105 outer face of parts of bearings 103 so that the mode of the both sides being positioned at bearing recess 104 is projecting, and this engaging protrusion 105 is through from inner side is supported on the connecting hole 106 be formed in each receiving sheet 35d.

Between the outer face of parts of bearings 103 and described receiving sheet 35d, be equipped with the support unit 107 of tabular, the support unit 107 of this tabular blocks the opening of bearing recess 104, prevents pivot suspension axle 101 from departing from from bearing recess 104.On this support unit 107, be formed with the support holes 108 supplying the engaging protrusion 105 of parts of bearings 103 to insert, be fixed on arm 35b by being linked by parts of bearings 103, the support unit 107 being supported on parts of bearings 103 via engaging protrusion 105 is fixed on the position of regulation.

A through in left-right direction installing hole 109 is formed at the bottom side of the bearing recess 104 of parts of bearings 103, be installed on arm 35b by the bolt 110 inserting this installing hole 109 inside body is screwed into, parts of bearings 103 can be positioned at assigned position and be fixed.Be provided with the circular protrusion 101a engaged with the left and right end face of parts of bearings 103 in the periphery of pivot suspension axle 101, realize the left and right directions location of auxiliary drum framework 35.

Here, the pivot suspension axle 101 being fixedly installed on the free end rotating restricted arm 91 is identical with prong installation shaft 33 diameter, its pivot suspension linking part with by prong installation shaft 33, the axle support structure be rotatably bearing on the top of reel framework 26 is same specification, thus parts of bearings 93,103, support unit 97,107 and bolt 100,110 general respectively.

When assembling prong installation shaft 33, first, prong installation shaft 33 being entrapped in the recess 92 of reel framework 32, then, support unit 97 being inserted between receiving sheet 32d and prong installation shaft 33 from side.Then, from drum center side, parts of bearings 93 is installed, engaging protrusion 95 is inserted in the connecting hole 96 of receiving sheet 32d, afterwards, by bolt 100 rigid bearing parts 93 through the support holes 98 of support unit 97.The pivot suspension axle 101 rotating restricted arm 91 is also contained on auxiliary drum framework 35 with identical der group.When in order to decompose maintenance or change and dismantle prong installation shaft 33, undertaken by contrary order.

As shown in Figure 14,15, described prong 34 spring wire is bowed downward to U-shaped and is configured to two in the form of a pair, is formed in being inserted into up/down perforation in the installing hole 43 prong installation shaft 33 and installs from top.As shown in figure 21, the upper cross bar portion 34a of prong 34, bending to when watching from transverse side the shape be wound in prong installation shaft 33, by powerful for this upper cross bar portion 34a by being pressed in prong installation shaft 33, while making its elasticity expand distortion, carrying out outer fixed installation.By pushing upper cross bar portion 34a open while strongly pull prong 34 upward, the dismounting of prong 34 just can be carried out.

According to said structure, when installing reel installation shaft to reel framework, Y-axis support respectively uses a bolt.Such as, when holding together reel for pentagon rake, five reel installation shaft are only used ten bolts when reel framework is installed, with just use the prior art of two bolts an axle supporting portion compared with, only uses bolt and the working hour of one half quantity.In addition, if auxiliary drum framework is configured to identical axle support structure with the pivotal bearing part rotated between restricted arm free end, then, when pentagon rake holds together reel, use 20 bolts as a whole.

Therefore, it is possible to be integrally equipped with the prong installation shaft of rotating restricted arm relative to the mounting or dismounting of reel framework simply with less bolt working hour, and, reducing and weight saving of number of components can be realized.

In addition, owing to from the side bolt being installed on reel framework, so bolt is positioned at the inner side that rake holds together reel profile.Its result, the straw of not easily hook plantation, can prevent the threshing of holding together to produce with rake effectively.

In addition, as described above, the pivot suspension linking part of restricted arm is rotated in described auxiliary drum framework, supporting is positioned via the parts of bearings of snap fastener to the bearing recess possessing the opening outward towards footpath, and, be fixed in reel framework with a bolt, be also fixed by support unit via described snap fastener, described support unit prevention is entrapped in the disengaging of the rotation restricted arm in described bearing recess from opening.Thus, when across reel framework and an auxiliary drum framework axle supporting installation prong installation shaft, only use four bolts, such as, if pentagonal rake holds together the words of reel, to install five prong installation shaft as the half of prior art quantity, i.e. 20 bolts, thus the above-mentioned effect of the first invention can be promoted.

Due to the above-mentioned parts of bearings of the axle support by being arranged on prong installation shaft and support unit be arranged on the above-mentioned parts of bearings of the pivot suspension linking part rotating restricted arm and support unit is configured to identical specification respectively, so, the parts generalization of the axle support facilitating prong installation shaft and the pivot suspension linking part rotating restricted arm, is more conducive to the reduction of cost.

(detailed construction of auger conveyor)

Below, an example of the detailed construction of auger conveyor 17 is described.Auger conveyor 17 is not limited to following structure.

As shown in Figure 22,23, reaping part 7 is following frame assembled structures: be fixed on the reaping part framework 79 of link cornue or L-type material by modes such as spot welding by the pair of right and left side plate 77,78 of the backboard 76 at the formation back side, the runout table 14 forming bottom surface, formation left and right side, across runout table 14 front end and the reaping apparatus 12 of hairclipper type is equipped with along this front end, further, side plate 77,78 erection across left and right has horizontal for the gathered in crop auger conveyor 17 be fed in the middle of harvesting width.

Feeder 6, is formed by holding together conveyer 16 on the internal equipment of conveying box 15 being formed as angle tubular.On hold together conveyer 16, by forming across the pair of right and left chain 16a crossbearer of longitudinal winding links conveying lever 16b, the crop laterally given by auger conveyor 17 is above held together to carry along the bottom surface of conveying box 15 and is put to the front end of sheller unit 3.

Between the front portion and the bottom of feeder 6 of the main truss 80 of travel machine body 2, set up hydraulic cylinder 9, by the expanding-contracting action of this hydraulic cylinder 9, reaping part 7 and feeder 6 are integratedly around above-mentioned fulcrum P oscillating lifting.Be equipped with rake in the front upper of reaping part 7 and hold together reel 10, this rake hold together reel 10 by planted crop rearward cake hold together and be sent in reaping apparatus 12.

As Figure 22, shown in 24 like that, the structure of auger conveyor 17 is as follows, namely, in the periphery of large diameter auger conveyor cylinder 17, possesses pair of right and left helical blade 18, the leading section that this pair of right and left helical blade 18 plays along with rotating forward towards above-mentioned feeder 6 carries out horizontal function of giving, and, possess in the mode at each two with left and right, four positions of circumference and hold together finger 22 (rake holds together an example of body) from the outstanding bar-shaped rake kept out of the way of auger conveyor cylinder 17 in the width region of the front end inlet 221 in the face of feeder 6, in addition, the position, midway of laterally giving region on right side possesses holds together finger 23 (auxiliary rake holds together an example of body) from the outstanding auxiliary rake kept out of the way of auger conveyor cylinder 17.

Inside near the two ends, left and right of auger conveyor cylinder 17 is fixedly installed cover plate 111,112, and, be fixedly installed intermediate support plates 113 in the inside at the position of keeping right of auger conveyor cylinder 17.Have across the cover plate 112 on right side and the respective through of intermediate support plates 113 and rotate fulcrum 114, the link flange 114a bolt link linked with rotation fulcrum 114 key is on the cover plate 112 on right side, thus, rotate center (auger conveyor axle center) x that fulcrum 114 is integrally linked to auger conveyor cylinder 17.

As shown in figure 24, from the above-mentioned rotation fulcrum 114 that the right-hand member of auger conveyor cylinder 17 is outstanding, rotatably be bearing in via bearing 116 on the bearing bracket 115 of side plate 78 on the right side of being installed on, and be rotatably bearing in the support holes 26a of intermediate support plates 113.As shown in figure 27, side plate 78 is formed the assembly hole 78a that diameter is formed as inserting above-mentioned link flange 114a and above-mentioned bearing bracket 115, and, the cover plate 117 of rectangle from outside bolt link on side plate 78, to block assembly hole 78a, on this cover plate 117, bolt link has bearing bracket 115.In the inner side of side plate 78, enter into the discoideus winding preventing board of the band edge in the recessed space being formed in auger conveyor cylinder 17 right-hand member 118 and above-mentioned cover plate 117 and is linked by fastening bolt altogether and fix.

On the outer end rotating fulcrum 114, key is linked with input sprocket 119, accepts rotary driving force.This input sprocket 119 is integrally formed oriented rake and holds together the output chain gear 120 that reel 18 carries out transmission of power.

As shown in fig. 25, on the side plate 77 in left side, link with one heart with above-mentioned auger conveyor axle center x via link flange 122a and be fixed with a fixed pivot axis 122, and, this a fixed pivot axis 122 is bearing on bearing bracket 123 via bearing 124 is rotatably through, and this bearing bracket 123 is arranged on the left side cover plate 111 of auger conveyor cylinder 17.As shown in figure 26, on side plate 77, be formed with the assembly hole 77a that diameter is formed as inserting above-mentioned link flange 122a and above-mentioned bearing bracket 123, and, with the mode blocking assembly hole 77a by the cover plate 125 of rectangle from outside bolt link on side plate 77, on this cover plate 125, bolt link has bearing bracket 123.In the inner side of side plate 77, enter into the discoideus winding preventing board of the band edge in the recessed space being formed in auger conveyor cylinder 17 left end 126 and above-mentioned cover plate 125 by common fastening and bolt link is fixed.

The inner end of a fixed pivot axis 122 is linked by key and is fixed with frame support bracket 127, on the other hand, in described rotation fulcrum 114, side rotatably to loosen around auger conveyor axle center x via bearing 129 and chimeric is provided with frame support bracket 128.Across the terminal part of these left and right frame support brackets 127,42, eccentric fulcrum 130 sets up abreast with auger conveyor axle center x.Frame support bracket 127,42 fixedly becomes towards the prescribed form of front lower place, and as shown in figure 22, the axle center y linking the eccentric fulcrum 130 of support between two frame support brackets 127,42 is set on the position relative to the partially forward below of auger conveyor axle center x.

On eccentric fulcrum 130, correspond to rake and hold together installation site that finger 22 and auxiliary rake hold together finger 23 and loosen and chimericly have nine propeller boss 131 are installed, insert in each installation propeller boss 131 and screw thread fixedly connected rake hold together the medial end that body 22 and auxiliary rake hold together body 23.Via each installation propeller boss 131, the rake be rotatably arranged on eccentric fulcrum 130 holds together finger 22 and auxiliary rake holds together finger 23, is throughly bearing in the resin-made slide bushing 132 that the assigned position, periphery of auger conveyor 17 is installed.Be formed with load hole 20a at the left and right suitable position of auger conveyor cylinder 17 periphery, this load hole 20a is blocked by detachable housing 133, and slide bushing 132 is arranged on this housing 133.

Auger conveyor 17 is formed as described above, support is between the side plate 77,12 of left and right, when auger conveyor cylinder 17 forwards being rotated when rotating fulcrum 114 and being driven in rotation, each rake holds together finger 22 and auxiliary rake and holds together finger 23 and rotate around the axle center y of eccentric fulcrum 130 thereupon, now, eccentric fulcrum 44 changes according to rotation phase with the distance of each slide bushing 132, and correspondingly, each rake holds together finger 22 and auxiliary rake and holds together finger 23 and keep out of the way from auger conveyor cylinder 17 is outstanding.

In this case, link auger conveyor axle center x and eccentric fulcrum 130 axle center y, on extended line toward the front, the outstanding quantitative change that rake holds together to refer to reaches maximum, and in the phase place that it is contrary, the overhang that rake holds together finger is minimum.Therefore, laterally given by helical blade 18 crop that comes by the rake significantly given prominence to hold together finger 22 and auxiliary rake hold together finger 23 rearward cake hold together, rearward carried along runout table 14 in the mode slipped into below auger conveyor cylinder 17, and be sent to the front end inlet 221 of feeder 6.

Below, be described across the order of assembling above-mentioned auger conveyor 17 between left side plate 77,12.

When assembling, link flange 114a key being attached at rotating on fulcrum 114 in advance.On the other hand, via bearing 124 installation shaft support bracket 123 on a fixed pivot axis 122, and key links frame support bracket 127.Then, the outer left end being provided with the eccentric fulcrum 130 installing propeller boss 131 is linked the free end being fixed on frame support bracket 127, and, at the right-hand member of eccentric fulcrum 130, link is provided with the frame support bracket 128 of bearing 129.

So that winding preventing board 118,39 is assembled the state be inserted in the recessed space at auger conveyor cylinder about 17 both ends, between the side plate 77,12 about being inserted into by auger conveyor cylinder 17 temporarily.

Then, the rotation fulcrum 114 assembled in advance is as described above inserted in auger conveyor cylinder 17 through the assembly hole 78a of side plate 78, inserts in the cover plate 112 on right side and the support holes 26a of intermediate support plates 113.Then, insert the instruments such as box spanner from assembly hole 78a, flange 114a bolt link will be linked on cover plate 112.Then, the bearing bracket 115 having installed cover plate 117 is in advance rotated on fulcrum 114 via outer being arranged on of bearing 116, from outside by cover plate 117 bolt link to side plate 78, blocking assembly hole 78a.In addition, by cover plate 117 bolt link to side plate 78 time, winding preventing board 118 is fastened on side plate 78 altogether.Afterwards, input sprocket 119 and output chain gear 120 are installed on the protuberance rotating fulcrum 114.

Then, by previously having assembled a fixed pivot axis 122 of eccentric fulcrum 130 and frame support bracket 127,42 etc. as described above through the assembly hole 77a of left side side plate 77, be inserted in auger conveyor cylinder 17.Now, owing to being formed with the assembly hole 111a with the shape can inserting frame support bracket 127,42 on the cover plate 111 in left side, so, through this assembly hole 111a, frame support bracket 127,42 and eccentric fulcrum 130 are inserted into cover plate 111 and intermediate support plates 113.

Then, the instruments such as box spanner are inserted from assembly hole 77a, by bearing bracket 123 bolt link on cover plate 111, afterwards, cover plate 125 is arranged on and links on flange 122a, from outside by cover plate 125 bolt link to side plate 77, thus, a fixed pivot axis 122 is fixed on side plate 77, and, blocking assembly hole 78a.In addition, by cover plate 125 bolt link to side plate 77 time, winding preventing board 126 is fastened on side plate 77 altogether.

Be attached at the frame support bracket 128 of eccentric fulcrum 130 right-hand member, loosen via bearing 129 on the chimeric inner end being arranged on rotation fulcrum 114.This assembly operation be via auger conveyor cylinder 17 on the right side of assembly hole 20a carry out.

Then, from each assembly hole 20a insertion tool opened wide, rake held together finger 22 and assist the inner end of harrowing finger 23 insert and be attached on the outer installation propeller boss 131 being installed on eccentric fulcrum 130.Afterwards, rake being held together under finger 22 and auxiliary rake hold together the state that finger 23 is inserted in slide bushing 132, each housing 133 being attached on auger conveyor cylinder 17, blocking each assembly hole 20a.

Through above operation, complete the assembling of auger conveyor cylinder 17.

(detailed construction of reaping apparatus)

Below, be described based on the example of accompanying drawing to the detailed construction of reaping apparatus 12.But the detailed construction of reaping apparatus 12 is not limited to following mode.

As shown in figure 29, by arranging a dead knife 202 and can moving knife 206 and form hairclipper type reaping apparatus 12, a wherein said dead knife 202 is bearing in the base portion of the many points of careless frameworks 11 arranged with being spaced laterally apart predetermined distance along body, above-mentionedly can be arranged on the left part of this dead knife 202 and the top of right part by moving knife 206.

This hairclipper type reaping apparatus 12 is equipped on the harvesting pre-treatment portion of combine; harvesting process is carried out to from point standing grain part 200 plantation straw imported between point careless framework being arranged on described each point of careless framework 11 end side; its detailed construction is as follows; wherein; described combine carries out harvesting process to the plantation such as paddy rice, wheat straw; and carry out threshing process, the grain taken off be recovered in threshing box and be stored up, or be recovered to pack bunker in pack.

As shown in Figure 29,30,31 etc., dead knife 202 possesses a dead knife platform 203 and multiple fixed blade 205, this dead knife platform 203 is arranged on the cropping knife supporting mass 201 (with reference to Figure 36) that links on the downside of the base portion of the careless framework 11 with each point, multiple fixed blade 205 is horizontally arranged in the upper surface side of the exterior region of this dead knife platform 203 along body, fixedly mounted by rivet 204.

As shown in Figure 29,30,31 etc., described respectively can possess multiple movable blade 207 and a knife bar 23 by moving knife 206, the plurality of movable blade 207 is transversely arranged along body with the arrangement pitches of the arrangement pitches equal length of the fixed blade 205 with dead knife 202, this knife bar 23 is fixedly mounted on the upper surface side of above-mentioned each movable blade 207 by rivet 208, multiple movable blade 207 linked up.

Respectively the both ends of moving knife 206 and these three positions of pars intermedia can act on supporting device 215A, 30B, 30c effect possessing cutter holder 216 above-mentioned, respectively can laterally be bearing in sliding freely on dead knife 202 along body via described each supporting device 215A, 30B, 30c by moving knife 206.Left side can moving knife 206, by acting on following can the cropping knife driving mechanism 221 of moving knife operating body 210 back and forth driving with the state of sliding along body transverse reciprocating relative to the left part of dead knife 202, wherein, described can moving knife operating body 210 be arranged on this can the near sites that acts on of the described supporting device 215A by body lateral outer side in above-mentioned multiple supporting device 215A, 30B, 30c of moving knife 206.Right side can moving knife 206, by acting on following can the cropping knife driving mechanism 221 of moving knife operating body 210 back and forth driving with the state of sliding along body transverse reciprocating relative to the right part of dead knife 202, wherein, described can moving knife operating body 210 be arranged on this can the near sites that acts on of the described supporting device 215A by body lateral outer side in above-mentioned multiple supporting device 215A, 30B, 30c of moving knife 206.

As shown in Figure 29,32,33, described each cropping knife driving mechanism 221 possesses swing connecting bar 230, gangbar 231 and driving rotating bodies 223; Wherein, swing connecting bar 230 at one end portion possesses operation roller 222, and described operation roller 222 is by being entrapped in can forming by the bearing between the pair of right and left operation panel 211 of moving knife operating body 210 by the above-mentioned of moving knife 206 of should driving; The end side of gangbar 231 relatively rotates on the end of another side being attached at this swing connecting bar 230 freely; Driving rotating bodies 223 relatively rotates another side being linked with this gangbar 231 freely at circumference.

The pars intermedia of above-mentioned swing connecting bar 230 is rotatably attached on the fulcrum 232 that straw conveying plant (not shown) possesses, and swing connecting bar 230 is around the axle center reciprocally swinging of above-mentioned fulcrum 232.Above-mentioned driving rotating bodies 223 is rotatably bearing on the end of the transmission case 226 forming harvesting pre-treatment portion framework via rotating fulcrum 224.

Thus, rotary driving force around the driven driving rotating bodies 223 in body above-below direction axle center rotating fulcrum 224 is converted into the reciprocating power of straight line by each cropping knife driving mechanism 221 by gangbar 43, be delivered to the end of swing connecting bar 230, drive this swing connecting bar 230 to make it around the body above-below direction axle center of fulcrum 232 by certain pendulum angle reciprocally swinging, being delivered to by the reciprocating power of this swing connecting bar 230 by operation roller 222 can on moving knife operating body 210, and back and forth driving thus can moving knife 10.

A pair cropping knife driving mechanism 221 according to the setting of the rotatable phase of its driving rotating bodies 223 etc. with following state back and forth drive left and right can moving knife 206: left side can moving knife 206 slide outside body time, can also sliding outside body by moving knife 206 of right side, left side can moving knife 206 towards body inner slide time, right side can moving knife 206 also to body inner slide, that is, pair of right and left can reciprocatingly slide towards opposite directions by moving knife 206.

That is, this hairclipper type reaping apparatus 12, can under the state that moves back and forth in the opposite direction above dead knife 202 of moving knife 206 in pair of right and left, and, under the state of opening and closing above the cropping knife supporting mass 201 that pair of right and left can possess at point careless framework 11 being positioned at body laterally central portion between the end of moving knife 206, back and forth drive pair of right and left can moving knife 206 by a pair harvesting driving mechanism 221, thus by be positioned at dead knife 202 left part fixed blade 205 and can the movable blade 207 of moving knife 206 relative to the left side of this fixed blade 205 relative movement, harvesting process is carried out to the plantation straw from the many points of standing grain parts 200 be positioned on the left of reaping part, and, by the movable blade 207 being positioned at the fixed blade 205 of dead knife 202 right part and the right movable cutter 206 relative to this fixed blade 205 relative movement, harvesting process is carried out to the plantation straw from the many points of standing grain parts 200 be positioned on the right side of reaping part.

As Figure 34,35 express, make housing 227 from above-mentioned pair of right and left can moving knife 206 one can the end of moving knife 206 extend to another can above the end of moving knife 206, and, this housing 227 possesses enough development lengths, can S between the end of moving knife 206 to cover pair of right and left, further, even if can move back and forth round about and under making to be opened to maximum sized state between this end, be also enough to cover the gamut between this end by moving knife 206 due to two.

Thus, avoid straw to consider to be worth doing by housing 227 or earth etc. enter into left and right can S between the end of moving knife 206, and, even if straw bits or earth etc. charge into or fly into be hooked in below between dead knife 202 or end between this end cropping knife supporting mass 201 on, also can touch and the housing 227 that can move back and forth together with moving knife 206, be subject to scraping effect and becoming easy whereabouts of housing 227, carry out harvesting process like this.

As shown in Figure 30,31, to respectively can possessing by the above-mentioned supporting device 215A that play supporting role of the body lateral outer side end of moving knife 206: rear sliding guidance body 218, is fixed on above-mentioned dead knife platform 203 by binder bolt 217; The above-mentioned cutter holder 216 of latch plate, rearward end is fixed on dead knife platform 203 by above-mentioned binder bolt 217 together with above-mentioned rear sliding guidance body 218; Front slide guide body 220, is attached at the leading section of this cutter holder 216 by rivet 219.Being attached at by the parts be made up of the material different from knife bar 209 by above-mentioned rivet 208 can on the knife bar 209 of moving knife 206, thus on knife bar 209, possess hardness and the mar proof sliding part 26 than knife bar 209 excellence, above-mentioned supporting device 215A clamps by the above-mentioned sliding part 26 of above-mentioned front slide guide body 220 and rear sliding guidance body 218 pairs of knife bars 209, it is made to slide freely, thus to supporting in the mode of laterally sliding along body relative to dead knife 202 by moving knife 206.

As shown in Figure 33,34,35, can possess by the above-mentioned supporting device 215C that play supporting role of the body medial end of moving knife 206 being linked with the above-mentioned of above-mentioned housing 227: rear sliding guidance body 218, is fixed on above-mentioned dead knife platform 203 by binder bolt 217; The above-mentioned cutter holder 216 of latch plate, rearward end is fixed on dead knife platform 203 by above-mentioned binder bolt 217 together with above-mentioned rear sliding guidance body 218; Front slide guide body 220, is attached at the leading section of this cutter holder 216 by rivet 219.Above-mentioned housing 227, being linked to by above-mentioned rivet 208 can on the installation portion 228 of moving knife 206, in the mode that the above-mentioned rear sliding guidance body 218 of the above-mentioned supporting device 215C possessed at dead knife 202 or front slide guide body 220 are slided, possess rear side sliding contacting part 229a and front side sliding contacting part 229b, on rear side of this, be configured in can between the knife bar 209 of moving knife 206 and rear sliding guidance body 218 for sliding contacting part 229a; On front side of this, be configured in can between the knife bar 209 of moving knife 206 and front slide guide body 220 for sliding contacting part 229b.The above-mentioned installation portion 228 of above-mentioned housing 227 is made up of the material different from knife bar 209, and above-mentioned rear side sliding contacting part 229a and front side sliding contacting part 229b possesses hardness than knife bar 209 excellence and mar proof.

As shown in figure 32, can moving knife 206 possess above-mentioned can on the above-mentioned pair of right and left operation panel 211 of moving knife operating body 210, detachably follower plate 212 is installed by binder bolt 213, thus forms the contact surface 214 abutted with the operation roller 222 of above-mentioned swing connecting bar 230.Thus, when wearing and tearing occur contact surface 214, by means of only replacing follower plate 212, just can when do not change can moving knife 206 and can tackling when moving knife operating body 210.

As described above, housing with above-mentioned one can on the installation portion that links of moving knife, possess sliding contacting part, described sliding contacting part between the sliding guidance body that possesses of the knife bar that possesses of moving knife and above-mentioned dead knife, and can slide at above-mentioned one on above-mentioned sliding guidance body.That is, along with being driven reciprocally by moving knife, the installation portion of housing slides relative to sliding guidance body at sliding contacting part, thus, can suppress can while the loosening of the relative dead knife of moving knife, to moving back and forth by moving knife.

Therefore, it is possible to reduce can moving knife loosen and quietly drive, by by housing be used as sliding contact parts, be all favourable in configuration aspects and economic aspect.

In addition, hairclipper type reaping apparatus 12 of the present invention is not limited to combine, is also applicable for the hairclipper type reaping apparatus 12 equipped in the various reaping machines except combine.

[other embodiment]

(1) hold together in reel drives structure at rake, also can be configured to, in the mode that can change position corresponding to the axis direction position of drive pulley 84a, 84b, driven pulley 85 pin is attached on reel driving shaft 31, is wrapping with driving-belt 83 there is no the state reversed.

(2) also can be configured to, a pair driven pulley 85 opposed with drive pulley 84a, 84b is arranged on reel driving shaft 31 side by side, be wrapping with driving-belt 83 there is no the state reversed.

(3) in the structure of above-mentioned auger conveyor, also can implement as follows, namely, by projecting on the inner surface of receiving sheet 32d (35d) for above-mentioned engaging protrusion 95 (105), and, the hole engaged with this engaging protrusion 95 (105) is formed on the outer face of parts of bearings 93 (103), parts of bearings 93 (103) and support unit 97 (107) is fastened on and is fixed in the engaging protrusion 95 (105) of reel framework side.

(4) paired above-mentioned parts of bearings 93 (103) and the shape of support unit 97 (107) are not limited to above-described embodiment, such as, also can be engage up and down on the composition surface by prong installation shaft 33 axle center.

(5) in the above-described embodiments, by pivot suspension axle 101 setting of prong installation shaft 33 and rotation restricted arm 91 is become identical diameter, and make each parts of bearings 93,42 and support unit 97,107 general, but also prong installation shaft 33 and pivot suspension axle 101 design can be become different diameters and implement.

(6) in the various embodiments described above, be illustrated for ordinary combine harvester, but also can be the combine of half feed type.

Claims (1)

1. an operation drive mechanism for combine, described combine comprises sheller unit, and the feature of the drive mechanism of described combine is,

Wind axle is inserted along body left and right directions in above-mentioned sheller unit,

Be input to the end side of above-mentioned wind axle via driving-belt from the power of the operating system of engine.